// ***************************************************************************
// ***************************************************************************
// Copyright 2011(c) Analog Devices, Inc.
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//     - Redistributions of source code must retain the above copyright
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//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//     - The use of this software may or may not infringe the patent rights
//       of one or more patent holders.  This license does not release you
//       from the requirement that you obtain separate licenses from these
//       patent holders to use this software.
//     - Use of the software either in source or binary form, must be run
//       on or directly connected to an Analog Devices Inc. component.
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ***************************************************************************
// ***************************************************************************

`timescale 1ns / 1ps

module axi_ad9162 (

    // jesd interface
    // tx_clk is (line-rate/40)
    
    tx_clk,
    tx_valid,
    tx_data,
    tx_ready,
    
    // dma interface
    
    dac_clk,
    dac_valid,
    dac_enable,
    dac_ddata,
    dac_dovf,
    dac_dunf,
    
    // axi interface
    
    s_axi_aclk,
    s_axi_aresetn,
    s_axi_awvalid,
    s_axi_awaddr,
    s_axi_awprot,
    s_axi_awready,
    s_axi_wvalid,
    s_axi_wdata,
    s_axi_wstrb,
    s_axi_wready,
    s_axi_bvalid,
    s_axi_bresp,
    s_axi_bready,
    s_axi_arvalid,
    s_axi_araddr,
    s_axi_arprot,
    s_axi_arready,
    s_axi_rvalid,
    s_axi_rdata,
    s_axi_rresp,
    s_axi_rready);
    
    // parameters
    
    parameter   ID = 0;
    parameter   DEVICE_TYPE = 0;
    parameter   DAC_DATAPATH_DISABLE = 0;
    
    // jesd interface
    // tx_clk is (line-rate/40)
    
    input             tx_clk;
    output            tx_valid;
    output  [255:0]   tx_data;
    input             tx_ready;
    
    // dma interface
    
    output            dac_clk;
    output            dac_valid;
    output            dac_enable;
    input   [255:0]   dac_ddata;
    input             dac_dovf;
    input             dac_dunf;
    
    // axi interface
    
    input             s_axi_aclk;
    input             s_axi_aresetn;
    input             s_axi_awvalid;
    input   [ 31:0]   s_axi_awaddr;
    input   [  2:0]   s_axi_awprot;
    output            s_axi_awready;
    input             s_axi_wvalid;
    input   [ 31:0]   s_axi_wdata;
    input   [  3:0]   s_axi_wstrb;
    output            s_axi_wready;
    output            s_axi_bvalid;
    output  [  1:0]   s_axi_bresp;
    input             s_axi_bready;
    input             s_axi_arvalid;
    input   [ 31:0]   s_axi_araddr;
    input   [  2:0]   s_axi_arprot;
    output            s_axi_arready;
    output            s_axi_rvalid;
    output  [ 31:0]   s_axi_rdata;
    output  [  1:0]   s_axi_rresp;
    input             s_axi_rready;
    
    // internal clocks and resets
    
    wire              dac_rst;
    wire              up_clk;
    wire              up_rstn;
    
    // internal signals
    
    wire    [255:0]   dac_data_s;
    wire              up_wreq_s;
    wire    [ 13:0]   up_waddr_s;
    wire    [ 31:0]   up_wdata_s;
    wire              up_wack_s;
    wire              up_rreq_s;
    wire    [ 13:0]   up_raddr_s;
    wire    [ 31:0]   up_rdata_s;
    wire              up_rack_s;
    
    // signal name changes
    
    assign up_clk = s_axi_aclk;
    assign up_rstn = s_axi_aresetn;

    // defaults

    assign tx_valid = 1'b1;
    
    // device interface
    
    axi_ad9162_if #(.DEVICE_TYPE (DEVICE_TYPE)) i_if (
      .tx_clk (tx_clk),
      .tx_data (tx_data),
      .dac_clk (dac_clk),
      .dac_rst (dac_rst),
      .dac_data (dac_data_s));
    
    // core
    
    axi_ad9162_core #(
      .ID (ID),
      .DATAPATH_DISABLE (DAC_DATAPATH_DISABLE))
    i_core (
      .dac_clk (dac_clk),
      .dac_rst (dac_rst),
      .dac_data (dac_data_s),
      .dac_valid (dac_valid),
      .dac_enable (dac_enable),
      .dac_ddata (dac_ddata),
      .dac_dovf (dac_dovf),
      .dac_dunf (dac_dunf),
      .up_rstn (up_rstn),
      .up_clk (up_clk),
      .up_wreq (up_wreq_s),
      .up_waddr (up_waddr_s),
      .up_wdata (up_wdata_s),
      .up_wack (up_wack_s),
      .up_rreq (up_rreq_s),
      .up_raddr (up_raddr_s),
      .up_rdata (up_rdata_s),
      .up_rack (up_rack_s));
    
    // up bus interface
    
    up_axi i_up_axi (
      .up_rstn (up_rstn),
      .up_clk (up_clk),
      .up_axi_awvalid (s_axi_awvalid),
      .up_axi_awaddr (s_axi_awaddr),
      .up_axi_awready (s_axi_awready),
      .up_axi_wvalid (s_axi_wvalid),
      .up_axi_wdata (s_axi_wdata),
      .up_axi_wstrb (s_axi_wstrb),
      .up_axi_wready (s_axi_wready),
      .up_axi_bvalid (s_axi_bvalid),
      .up_axi_bresp (s_axi_bresp),
      .up_axi_bready (s_axi_bready),
      .up_axi_arvalid (s_axi_arvalid),
      .up_axi_araddr (s_axi_araddr),
      .up_axi_arready (s_axi_arready),
      .up_axi_rvalid (s_axi_rvalid),
      .up_axi_rresp (s_axi_rresp),
      .up_axi_rdata (s_axi_rdata),
      .up_axi_rready (s_axi_rready),
      .up_wreq (up_wreq_s),
      .up_waddr (up_waddr_s),
      .up_wdata (up_wdata_s),
      .up_wack (up_wack_s),
      .up_rreq (up_rreq_s),
      .up_raddr (up_raddr_s),
      .up_rdata (up_rdata_s),
      .up_rack (up_rack_s));

endmodule

// ***************************************************************************
// ***************************************************************************